#!usr/bin/env python  
# -*- coding:utf-8 _*-
""" 
@author:pengfeifu
@file: day_10_list.py 
@version:
@time: 2021/11/09 
@email:1324734112@qq.com
@desc： 
@function：常用函数
append
join
"""

if __name__ == "__main__":
    list=[]
    arr_list = []
    arr_list.append(1)
    arr_list.append(2)
    list.append(arr_list)
    print(list)
